USD 311.00 Calcium Sulphate Use this model to show the elementary structure of calcium sulphate (anhydrous) as well as other comparable crystal structures such ... Item: T22001

USD 34.00 Student-Set - Inorganic/Organic Chemistry This set comprises 240 atom centres, scale 3cm = 100pm. The atoms consist of plastic centres having prongs set at the correct bond ... Item: W19806

USD 89.00 Class-Set - Inorganic/Organic Chemistry This set comprises 500 atom centres, scale 3cm = 100pm. The atoms consist of plastic centres having prongs set at the correct bond ... Item: W19805

USD 50.00 Sodium Chloride, 27 Atoms Contents: 13 Sodium, grey, diameter 23 mm 14 Chlorine, green, diameter 32 mm 54 grey, medium links ... Item: W19705

USD 36.00 Diamond Kit Contents: 30 Carbon, black, diameter 23 mm 40 grey-links Item: W19706

USD 53.00 Graphite Kit 3 Layers This kit is designed to make a three layer model of graphite having 15 carbon atoms in each layer. Contents: ... Item: W19707

USD 63.00 Buckminsterfullerene C60 Contents: 60 Carbon, black, diameter 23 mm 100 links medium length Item: W19708

USD 48.00 ICE, H2O Crystal Kit Containing 26 Water.. Contents: 26 Oxygen atom red 52 Hydrogen atom white 52 Covalent bond white 40 ... Item: W19709

USD 70.00 Class-Set - Biochemistry This set comprises 390 atom centres, scale 3cm = 100pm. The centres are colour coded according to the element and the bond angles are ... Item: W19802

USD 27.00 Student-Set - Biochemistry This set comprises over 260 atom centres, scale 2cm = 100pm. The centres are colour coded according to the element and the bond angles ... Item: W19803

USD 33.00 Student-Set - Biochemistry This set comprises 255 atom centres, scale 3cm = 100pm. The centres are colour coded according to the element and the bond angles are ... Item: W19804

USD 106.00 Introductory Molecular Construction Set Consisting of 69 atoms and 16 caps, this set can be used to build such structures as: Molecules of hydrogen ... Item: W16007